1/* Copyright (c) 2014, Matt Stancliff <[email protected]>
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Redis nor the names of its contributors may be used
13 * to endorse or promote products derived from this software without
14 * specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE. */
27
28#ifndef CRCSPEED_H
29#define CRCSPEED_H
30
31#include <inttypes.h>
32#include <stdio.h>
33
34typedef uint64_t (*crcfn64)(uint64_t, const void *, const uint64_t);
35typedef uint16_t (*crcfn16)(uint16_t, const void *, const uint64_t);
36
37/* CRC-64 */
38void crcspeed64little_init(crcfn64 fn, uint64_t table[8][256]);
39void crcspeed64big_init(crcfn64 fn, uint64_t table[8][256]);
40void crcspeed64native_init(crcfn64 fn, uint64_t table[8][256]);
41
42uint64_t crcspeed64little(uint64_t table[8][256], uint64_t crc, void *buf,
43 size_t len);
44uint64_t crcspeed64big(uint64_t table[8][256], uint64_t crc, void *buf,
45 size_t len);
46uint64_t crcspeed64native(uint64_t table[8][256], uint64_t crc, void *buf,
47 size_t len);
48
49/* CRC-16 */
50void crcspeed16little_init(crcfn16 fn, uint16_t table[8][256]);
51void crcspeed16big_init(crcfn16 fn, uint16_t table[8][256]);
52void crcspeed16native_init(crcfn16 fn, uint16_t table[8][256]);
53
54uint16_t crcspeed16little(uint16_t table[8][256], uint16_t crc, void *buf,
55 size_t len);
56uint16_t crcspeed16big(uint16_t table[8][256], uint16_t crc, void *buf,
57 size_t len);
58uint16_t crcspeed16native(uint16_t table[8][256], uint16_t crc, void *buf,
59 size_t len);
60#endif
61